<head>

    {{ form.media }}
</head>


<form action="" method="POSR">

    {% csrf_token %}

    {% include 'form_bootstrap.html' %}

    <input type="submit" value="提交"/>
    {% if subject_instance %}
    <a href="{% url 'detail_subject' subject_instance.id %}">back</a>
    {% else %}
    <a href="{% url 'detail_subject' reply_instance.subject_id %}">back</a>
    {% endif %}

</form>